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authorKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-10-19 15:19:19 -0400
committerKonrad Rzeszutek Wilk <konrad.wilk@oracle.com>2012-10-19 15:19:19 -0400
commite05dacd71db0a5da7c1a44bcaab2a8a240b9c233 (patch)
tree31382cf1c7d62c03126448affb2fc86e8c4aaa8b /include/linux/alarmtimer.h
parent3ab0b83bf6a1e834f4b884150d8012990c75d25d (diff)
parentddffeb8c4d0331609ef2581d84de4d763607bd37 (diff)
Merge commit 'v3.7-rc1' into stable/for-linus-3.7
* commit 'v3.7-rc1': (10892 commits) Linux 3.7-rc1 x86, boot: Explicitly include autoconf.h for hostprogs perf: Fix UAPI fallout ARM: config: make sure that platforms are ordered by option string ARM: config: sort select statements alphanumerically UAPI: (Scripted) Disintegrate include/linux/byteorder UAPI: (Scripted) Disintegrate include/linux UAPI: Unexport linux/blk_types.h UAPI: Unexport part of linux/ppp-comp.h perf: Handle new rbtree implementation procfs: don't need a PATH_MAX allocation to hold a string representation of an int vfs: embed struct filename inside of names_cache allocation if possible audit: make audit_inode take struct filename vfs: make path_openat take a struct filename pointer vfs: turn do_path_lookup into wrapper around struct filename variant audit: allow audit code to satisfy getname requests from its names_list vfs: define struct filename and have getname() return it btrfs: Fix compilation with user namespace support enabled userns: Fix posix_acl_file_xattr_userns gid conversion userns: Properly print bluetooth socket uids ...
Diffstat (limited to 'include/linux/alarmtimer.h')
-rw-r--r--include/linux/alarmtimer.h31
1 files changed, 2 insertions, 29 deletions
diff --git a/include/linux/alarmtimer.h b/include/linux/alarmtimer.h
index 96c5c249b086..9069694e70eb 100644
--- a/include/linux/alarmtimer.h
+++ b/include/linux/alarmtimer.h
@@ -21,7 +21,6 @@ enum alarmtimer_restart {
21 21
22#define ALARMTIMER_STATE_INACTIVE 0x00 22#define ALARMTIMER_STATE_INACTIVE 0x00
23#define ALARMTIMER_STATE_ENQUEUED 0x01 23#define ALARMTIMER_STATE_ENQUEUED 0x01
24#define ALARMTIMER_STATE_CALLBACK 0x02
25 24
26/** 25/**
27 * struct alarm - Alarm timer structure 26 * struct alarm - Alarm timer structure
@@ -35,6 +34,7 @@ enum alarmtimer_restart {
35 */ 34 */
36struct alarm { 35struct alarm {
37 struct timerqueue_node node; 36 struct timerqueue_node node;
37 struct hrtimer timer;
38 enum alarmtimer_restart (*function)(struct alarm *, ktime_t now); 38 enum alarmtimer_restart (*function)(struct alarm *, ktime_t now);
39 enum alarmtimer_type type; 39 enum alarmtimer_type type;
40 int state; 40 int state;
@@ -43,39 +43,12 @@ struct alarm {
43 43
44void alarm_init(struct alarm *alarm, enum alarmtimer_type type, 44void alarm_init(struct alarm *alarm, enum alarmtimer_type type,
45 enum alarmtimer_restart (*function)(struct alarm *, ktime_t)); 45 enum alarmtimer_restart (*function)(struct alarm *, ktime_t));
46void alarm_start(struct alarm *alarm, ktime_t start); 46int alarm_start(struct alarm *alarm, ktime_t start);
47int alarm_try_to_cancel(struct alarm *alarm); 47int alarm_try_to_cancel(struct alarm *alarm);
48int alarm_cancel(struct alarm *alarm); 48int alarm_cancel(struct alarm *alarm);
49 49
50u64 alarm_forward(struct alarm *alarm, ktime_t now, ktime_t interval); 50u64 alarm_forward(struct alarm *alarm, ktime_t now, ktime_t interval);
51 51
52/*
53 * A alarmtimer is active, when it is enqueued into timerqueue or the
54 * callback function is running.
55 */
56static inline int alarmtimer_active(const struct alarm *timer)
57{
58 return timer->state != ALARMTIMER_STATE_INACTIVE;
59}
60
61/*
62 * Helper function to check, whether the timer is on one of the queues
63 */
64static inline int alarmtimer_is_queued(struct alarm *timer)
65{
66 return timer->state & ALARMTIMER_STATE_ENQUEUED;
67}
68
69/*
70 * Helper function to check, whether the timer is running the callback
71 * function
72 */
73static inline int alarmtimer_callback_running(struct alarm *timer)
74{
75 return timer->state & ALARMTIMER_STATE_CALLBACK;
76}
77
78
79/* Provide way to access the rtc device being used by alarmtimers */ 52/* Provide way to access the rtc device being used by alarmtimers */
80struct rtc_device *alarmtimer_get_rtcdev(void); 53struct rtc_device *alarmtimer_get_rtcdev(void);
81 54